The NVIDIA GeForce GTX 1660 Ti has the TU116-400-A1 graphics chip installed, which is based on the Turing architecture.
The Gainward GeForce GTX 980 is based on the graphics chip GM204-400-A1, which comes from the Maxwell 2.0 architecture.
Memory
Memory
NVIDIA GeForce GTX 1660 Ti
Gainward GeForce GTX 980
Memory Size
6 GB
4 GB
Memory Type
GDDR6
GDDR5
Memory Clock
1.500 GHz
1.753 GHz
Memory Speed
12.0 Gbps
7.0 Gbps
Memory bandwidth
288 GB/s
224 GB/s
Memory Interface
192 bit
256 bit
More information
The graphics memory of the NVIDIA GeForce GTX 1660 Ti clocks at 1.500 GHz, which corresponds to a speed of 12.0 Gbps.
The graphics memory speed of the Gainward GeForce GTX 980 is 7.0 Gbps and the clock speed is 1.753 GHz.
Clock Speeds
Clock Speeds
NVIDIA GeForce GTX 1660 Ti
Gainward GeForce GTX 980
Base Clock
1.500 GHz
1.127 GHz
Boost Clock
1.770 GHz
1.216 GHz
Overclocking
Yes
Yes
More information
The clock frequency of a graphics card determines the speed in connection with the graphics architecture.
Thermal Design
Thermal Design
NVIDIA GeForce GTX 1660 Ti
Gainward GeForce GTX 980
TDP
120 W
165 W
Tjunction max
95 °C
98 °C
PCIe-Power
1 x 8-Pin
2 x 6-Pin
More information
The NVIDIA GeForce GTX 1660 Ti is powered by 1 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 120 W.
The Gainward GeForce GTX 980 has 2 x 6-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 165 W.
Cooler & Fans
Cooler & Fans
NVIDIA GeForce GTX 1660 Ti
Gainward GeForce GTX 980
Fan-Type
Axial
Radial
Fan 1
2
1 x 65 mm
Cooler-Type
Air cooling
Air cooling
Noise (Idle)
--
0 dB
More information
The NVIDIA GeForce GTX 1660 Ti is equipped with a total of 2 Axial main fans.
The Gainward GeForce GTX 980 has 1 Radial main fans that cool the GPU and memory.
Connectivity
Connectivity
NVIDIA GeForce GTX 1660 Ti
Gainward GeForce GTX 980
Max. Displays
3
4
HDCP
2.2
2.2
HDMI
1x HDMI 2.0b
1x HDMI 2.0
DisplayPort
1x DP 1.4a
3x DP 1.2
DVI
1
1
More information
Up to 3 screens can be operated with the NVIDIA GeForce GTX 1660 Ti.
The Gainward GeForce GTX 980 supports the operation of a maximum of 4 monitors.
Featureset
Featureset
NVIDIA GeForce GTX 1660 Ti
Gainward GeForce GTX 980
Max. resolution
7680x4320
4096x2160
DirectX
12_1
12_1
Raytracing
No
No
DLSS / FSR
Yes
No
LED
No LED lighting
No LED lighting
More information
With the NVIDIA GeForce GTX 1660 Ti it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels.
The maximum supported resolution of the Gainward GeForce GTX 980 is 4096x2160 pixels.
Supported Video Codecs
Supported Video Codecs
NVIDIA GeForce GTX 1660 Ti
Gainward GeForce GTX 980
h264
Decode / Encode
Decode / Encode
h265 / HEVC
Decode / Encode
No
VP8
Decode
Decode
VP9
Decode
No
AV1
No
No
More information
The support and acceleration of certain video codecs can have a positive impact on the lower energy consumption and less waste heat from the graphics card.
Dimensions
Dimensions
NVIDIA GeForce GTX 1660 Ti
Gainward GeForce GTX 980
Length
145 mm
267 mm
Height
111 mm
112 mm
Width (Slots)
2 Slots
2 Slots
SFF-Ready
No
No
More information
The NVIDIA GeForce GTX 1660 Ti is connected to the system via PCIe 3.0 x 16 lanes and requires 2 PCIe-Slots space in the housing.
The Gainward GeForce GTX 980 needs the space of 2 PCIe-Slots in the case and has a PCIe 3 x 16 Lanes interface.
3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.
Time Spy Extreme Graphics score NVIDIA GeForce GTX 1660 Ti +56.3 %
Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.
The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.
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